A ball with a mass of #3 kg# moving at #4 m/s# hits a still ball with a mass of #8 kg#. If the first ball stops moving, how fast is the second ball moving?
2 Answers
Apr 11, 2018
Explanation:
P=mv
Momentum stay the same before and after a collision
Apr 11, 2018
Explanation:
We use the law of conservation of momentum, which states that,
#m_1,m_2# are the masses of the two objects
#u_1,u_2# are the initial velocities of the two objects
#v_1,v_2# are the final velocities of the two objects
So here, we got,